In the field of rails, light rails are classified according to the nominal weight per meter, and 8KG GB light rails are a common type. Its specifications and dimensions are crucial in practical applications.
The main dimensional parameters of 8KG GB light rails are: rail height 65mm, which can effectively ensure the driving stability of the vehicle and ensure good contact and force distribution between the wheel and rail; head width 25mm, which can not only meet the adaptation of the wheel and the rail, but also take into account the material cost and rail structure strength; waist thickness 7.0mm, reasonable waist thickness enables the light rail to have sufficient bending resistance when bearing vehicle loads; bottom width 54mm, the wider bottom enhances the contact area between the rail and the foundation, and improves the overall stability of the rail. From the theoretical weight point of view, about 8.42kg per meter, this weight characteristic makes it have obvious advantages in some occasions where the rail load-bearing requirements are relatively low, but there is a demand for installation convenience and cost control.
In terms of material, 8KG GB light rails often use Q235B. Q235B has good comprehensive mechanical properties, and its strength, toughness and processing performance are relatively balanced. It can meet the various requirements of light rail in conventional use environments. It can be processed into different shapes and specifications through cold bending, welding and other processes, which is convenient for installation and use.
| Q235B | Mechanical property | Chemical composition(%) | |||||||||
| Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ≤ | |||
| ≥ | ≥ | ||||||||||
| 235 | 24 | 375-460 | 38-47 | 26% | 0.12-0.22 | 0.35 | 0.30-0.70 | 0.045 | 0.045 | ||
In terms of implementation standards, 8KG GB light rail usually follows relevant standards such as GB11264-89. These standards strictly stipulate the dimensional tolerance, material performance, surface quality and other requirements of light rail, ensure the quality of light rail from the source of production, ensure the consistency and interchangeability of specifications, dimensions and performance of light rails produced by different manufacturers, and lay the foundation for the safe and stable application of light rail in various scenarios. Its common length is 6-12m, which is convenient for transportation and construction, and can be flexibly cut according to actual laying needs. 8KG GB light rail is mainly used for laying temporary transportation routes in forest areas, mining areas, factories and construction sites. Due to its size and weight characteristics, it can achieve efficient and low-cost material transportation in these scenarios.
